Question

If x-1/x =7, then x?-(1/x})​

Answer 1

Answer:

We have,

x−

x

1

=7

On squaring both sides, we get

x

2

+

x

2

1

−2=49

x

2

+

x

2

1

=51

Hence, this is the answer.

Answer 2

16 16 1x-1/x =7, then x?-(1/ 6 16 + 173